Home / 719,497.24-1,078,676.53-270,168.05

Finding the Fourth Proportional to 719,497.24, 1,078,676.53 and 270,168.05

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Solution

The fourth proportional to 719,497.24, 1,078,676.53 and 270,168.05 is: 405,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,497.24 : 1,078,676.53 = 270,168.05 : x
  2. Step 2: Convert to fraction form
    719,497.24/1,078,676.53 = 270,168.05/x
  3. Step 3: Cross multiply
    719,497.24x = 1,078,676.53 × 270,168.05
  4. Step 4: Simplify right side
    719,497.24x = 291,423,936,712.14
  5. Step 5: Solve for x
    x = 291,423,936,712.14/719,497.24
  6. Step 6: Final answer
    x = 405,038.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.